Sha256: 7ddcc27c5de422dcc522018fce93c142413cb1ff775723045f85e07463ebd2a9
Contents?: true
Size: 779 Bytes
Versions: 5
Compression:
Stored size: 779 Bytes
Contents
module Alf
module Algebra
module Visitor
def copy_and_apply(expr)
if expr.is_a?(Algebra::Operator)
expr.with_operands(*expr.operands.map{|op| apply(op) })
else
expr
end
end
private
def to_method_name(expr, prefix = "on_")
case expr
when Algebra::Operator
name = expr.class.rubycase_name
meth = :"#{prefix}#{name}"
meth = :"#{prefix}shortcut" if expr.is_a?(Algebra::Shortcut) and !respond_to?(meth)
meth = :"#{prefix}missing" unless respond_to?(meth)
meth
when Algebra::Operand
:on_leaf_operand
else
:not_supported
end
end
end # module Visitor
end # module Algebra
end # module Alf
Version data entries
5 entries across 5 versions & 1 rubygems